Adjustable air cushion maternity mattress

Abstract

A maternity mattress having three concentric inflatable cells where the cells are each independently adjustable and may be inflated or deflated by turning a selective valve and pressing the appropriate button on a pump switch.

What is claimed is: 
     
       1. An adjustable air cushion maternity mattress comprising: a first inflatable cell, having walls defining a cavity; a second inflatable cell within the cavity of the first cell and sharing the cavity defining walls of the first cell, said second cell, having walls defining a cavity; a third inflatable cell within the cavity of the second cell, said third inflatable cell sharing the cavity defining walls of the second cell; said first second and third cells defining an inflatable mattress of a sufficient size to adjustably support an adult user; electrically powered air pump means connected to the mattress for inflating each cell; pneumatic release valve means connected to the mattress for deflating each cell; controller means for operating the air pump means and release valve means, and a single three way valve means connected between the said pump means and the said first, second and third cells for selectively engaging the inflating and deflating means to each said cell.